* Python 3 support
* Fix import_vs_environment in xenia-build
* Drop support for Python 2
* Fix CIs and xb.bat
* Require Python3.4+ because of Ubuntu Trusty
* popen.communicate returns bytes instead of string
* Useful info in travis
* universal_newlines should be True
* Changed shebang to python 3
* Python 3 shebang fix
* Clang python 3 shebang fix